$OpenBSD: patch-gcc_lto_lto_c,v 1.1.1.1 2013/04/08 08:20:25 pascal Exp $
--- gcc/lto/lto.c.orig	Thu Feb  7 19:01:40 2013
+++ gcc/lto/lto.c	Tue Mar  5 19:45:41 2013
@@ -3102,6 +3102,12 @@ read_cgraph_and_symbols (unsigned nfiles, const char *
   all_file_decl_data = NULL;
 }
 
+const char *
+fname_as_string(int pretty_p __attribute__((__unused__)))
+{
+	return NULL;
+}
+
 
 /* Materialize all the bodies for all the nodes in the callgraph.  */
 
